Chess South Africa
Last updated:
Player Page
Home
Chess South Africa
Weitz, J (Johann)
Dob:
2012/03/19 (U14)
Gender:
Male
Chess SA id:
1120116373
FIDE id:
Region:
Tshwane (GTP)
Citizen:
RSA
Title(s):
Last active:
2023/04/22 (431 days ago)
Ratings
The
Projected values
below are
NOT
the actual and official values as calculated by the Ratings Bureau.
Main
Standard
Rapid
Blitz
Raw rating
=Current rating,
Weighted rating (WR)
=Weighted average of current/new Raw rating + last 23 published Raw ratings),
Weighted performance (WP)
=Weighted average of last 5 tournaments
Current Raw rating
1174.4
Current Weighted rating
1176.9
Current Weighted performance
615.9
Current official/published rating (highest between Raw, WR and WP)
1176.9
Current highest rating achieved
1302.5
Current floor (min rating allowed)
802.5
Current K-factor
36
Games played this month
0
Score (S)
0.0
Expected score (We)
0.00
Difference (S-We)
0.00
Current Raw change (no limits, including tournament time weight)
0.0
Current min/max change allowed (with limits)
±172.0
Current Raw change used (final)
0.0
Projected new Raw rating
1174.4
Projected new Weighed rating
1082.4
Projected new Weighted performance
615.9
Projected new final Raw rating (if new WP > new Raw)
1174.4
Projected new highest rating
1302.5
Projected new floor
802.5
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1174.4
Projected effective change (new Official - current Official)
-2.5
Raw rating
=Current rating,
Weighted rating (WR)
=Weighted average of current/new Raw rating + last 23 published Raw ratings),
Weighted performance (WP)
=Weighted average of last 5 tournaments
Current Raw rating
1156.6
Current Weighted rating
1159.9
Current Weighted performance
615.9
Current official/published rating (highest between Raw, WR and WP)
1159.9
Current highest rating achieved
1318.3
Current floor (min rating allowed)
818.3
Current K-factor
36
Games played this month
0
Score (S)
0.0
Expected score (We)
0.00
Difference (S-We)
0.00
Current Raw change (no limits, including tournament time weight)
0.0
Current min/max change allowed (with limits)
±176.4
Current Raw change used (final)
0.0
Projected new Raw rating
1156.6
Projected new Weighed rating
1066.7
Projected new Weighted performance
615.9
Projected new final Raw rating (if new WP > new Raw)
1156.6
Projected new highest rating
1318.3
Projected new floor
818.3
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1156.6
Projected effective change (new Official - current Official)
-3.3
Raw rating
=Current rating,
Weighted rating (WR)
=Weighted average of current/new Raw rating + last 23 published Raw ratings),
Weighted performance (WP)
=Weighted average of last 5 tournaments
Current Raw rating
1200.0
Current Weighted rating
1200.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1200.0
Current highest rating achieved
1200.0
Current floor (min rating allowed)
700.0
Current K-factor
36
s
Games played this month
0
Score (S)
0.0
Expected score (We)
0.00
Difference (S-We)
0.00
Current Raw change (no limits, including tournament time weight)
0.0
Current min/max change allowed (with limits)
±165.8
Current Raw change used (final)
0.0
Projected new Raw rating
1200.0
Projected new Weighed rating
1104.0
Projected new Weighted performance
Projected new final Raw rating (if new WP > new Raw)
Projected new highest rating
1200.0
Projected new floor
700.0
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1200.0
Projected effective change (new Official - current Official)
=0.0
Raw rating
=Current rating,
Weighted rating (WR)
=Weighted average of current/new Raw rating + last 23 published Raw ratings),
Weighted performance (WP)
=Weighted average of last 5 tournaments
Current Raw rating
1200.0
Current Weighted rating
1200.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1200.0
Current highest rating achieved
1200.0
Current floor (min rating allowed)
700.0
Current K-factor
36
Games played this month
0
Score (S)
0.0
Expected score (We)
0.00
Difference (S-We)
0.00
Current Raw change (no limits, including tournament time weight)
0.0
Current min/max change allowed (with limits)
±165.8
Current Raw change used (final)
0.0
Projected new Raw rating
1200.0
Projected new Weighed rating
1104.0
Projected new Weighted performance
Projected new final Raw rating (if new WP > new Raw)
Projected new highest rating
1200.0
Projected new floor
700.0
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1200.0
Projected effective change (new Official - current Official)
=0.0
Tournaments
History
Did not participate this month.
Did not participate this year.
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
6
2023 Tshwane South School District CLOSED Individual Championships (U11 Open)
2023/04/22
2023/04/22
Tshwane (GTP)
Standard
60
0.83
5
5
2.0
1190.8
1178.9
Analysis
5
2020 Registration Tournament (E)
2020/01/25
2020/01/25
Tshwane (GTP)
Standard
60
0.83
5
5
2.5
1216.2
1208.8
Analysis
4
2019 Lardies Open (D)
2019/10/26
2019/10/26
Tshwane (GTP)
Standard
60
0.83
5
5
1.0
1292.4
1303.5
Analysis
3
2019 Alekhine Open (F)
2019/08/09
2019/08/09
Tshwane (GTP)
Standard
120
1.00
5
5
3.0
1302.5
1318.3
Analysis
2
2019 Menlo Open (F)
2019/07/13
2019/07/13
Tshwane (GTP)
Standard
60
0.83
5
5
4.0
1272.0
1285.2
Analysis
1
2019 Swartkop Open (F)
2019/06/15
2019/06/15
Tshwane (GTP)
Standard
60
0.83
5
5
5.0
1200.0
1200.0
Analysis
Game History
History
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
0
0
0
0
0.0
0.0
0.0
0.0
0.0
White
0
0
0
0
0.0
0.0
0.0
0.0
0.0
Black
0
0
0
0
0.0
0.0
0.0
0.0
0.0
Standard
All
0
0
0
0
0.0
0.0
0.0
0.0
0.0
White
0
0
0
0
0.0
0.0
0.0
0.0
0.0
Black
0
0
0
0
0.0
0.0
0.0
0.0
0.0
Rapid
All
0
0
0
0
0.0
0.0
0.0
0.0
0.0
White
0
0
0
0
0.0
0.0
0.0
0.0
0.0
Black
0
0
0
0
0.0
0.0
0.0
0.0
0.0
Blitz
All
0
0
0
0
0.0
0.0
0.0
0.0
0.0
White
0
0
0
0
0.0
0.0
0.0
0.0
0.0
Black
0
0
0
0
0.0
0.0
0.0
0.0
0.0
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
30
17
1
12
17.5
58.3
70.8
1146.1
1217.0
White
16
9
1
6
9.5
59.4
79.7
1138.6
1218.2
Black
14
8
0
6
8.0
57.1
60.7
1154.8
1215.5
Standard
All
30
17
1
12
17.5
58.3
70.8
1146.1
1217.0
White
16
9
1
6
9.5
59.4
79.7
1138.6
1218.2
Black
14
8
0
6
8.0
57.1
60.7
1154.8
1215.5
Rapid
All
0
0
0
0
0.0
0.0
0.0
0.0
0.0
White
0
0
0
0
0.0
0.0
0.0
0.0
0.0
Black
0
0
0
0
0.0
0.0
0.0
0.0
0.0
Blitz
All
0
0
0
0
0.0
0.0
0.0
0.0
0.0
White
0
0
0
0
0.0
0.0
0.0
0.0
0.0
Black
0
0
0
0
0.0
0.0
0.0
0.0
0.0
Top 20 opponents most often played
#
Chess SA id
Name
Games
Score
Wins
Draws
Losses
%
Aor
Dp
Perform
View
1
1120109369
De Jager, G (Gustave)
3
3.0
3
0
0
100.0
1258.2
425.0
1683.2
View list
2
1130108354
Jansen Van Vuuren, G (Gianni)
3
3.0
3
0
0
100.0
1258.2
425.0
1683.2
View list
3
1120112217
Penfold, CJ (Craig Jean)
2
2.0
2
0
0
100.0
1236.0
425.0
1661.0
View list
4
2120111255
Beetge, A (Anabelle)
1
1.0
1
0
0
100.0
1272.0
425.0
1697.0
View list
5
1110109561
Coetzee, M (Marko)
1
1.0
1
0
0
100.0
1216.2
425.0
1641.2
View list
6
1120117573
De Graaff, R (Ruben)
1
1.0
1
0
0
100.0
1216.2
425.0
1641.2
View list
7
2120112736
Dreyer, M (Maria Margaretha (Aretha))
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
8
2120098615
Doyle, U (Uisce)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
9
1130154157
Dekker, H (Heinrich)
1
1.0
1
0
0
100.0
1190.8
425.0
1615.8
View list
10
1090109363
Snyman, CW (Connor William)
1
1.0
1
0
0
100.0
1292.4
425.0
1717.4
View list
11
1120154162
Raats, M (Magnus)
1
1.0
1
0
0
100.0
1190.8
425.0
1615.8
View list
12
2130106594
Yang, S (Selina)
1
1.0
1
0
0
100.0
1302.5
425.0
1727.5
View list
13
2120112515
Du Randt, L (Lea)
1
0.5
0
1
0
50.0
1216.2
0.0
1216.2
View list
14
1120117574
Stander, A (Andrew)
1
0.0
0
0
1
0.0
1302.5
-425.0
877.5
View list
15
1090112527
Pieterse, J (Jayden)
1
0.0
0
0
1
0.0
1292.4
-425.0
867.4
View list
16
109085207
Nel, H (Henco)
1
0.0
0
0
1
0.0
1292.4
-425.0
867.4
View list
17
1110108346
Mcphail, M (Matthew)
1
0.0
0
0
1
0.0
1216.2
-425.0
791.2
View list
18
1120107815
Gruenenfelder, L (Laker)
1
0.0
0
0
1
0.0
1302.5
-425.0
877.5
View list
19
1110107188
De Beer, L (Liam)
1
0.0
0
0
1
0.0
1216.2
-425.0
791.2
View list
20
1120131217
Coetzee, M (Merikus)
1
0.0
0
0
1
0.0
1190.8
-425.0
765.8
View list